Elevator Brake Friction Block Testing

The industry of brake friction blocks for elevators in China has gradually standardized alongside the rise of the elevator industry. In the 1980s and 1990s, with the emergence of high-rise urban buildings, elevators entered the stage of large-scale application. Brake friction blocks primarily used asbestos-based materials to meet the basic braking and leveling needs. Since the turn of the century, the surge in elevator installations and the strengthening of safety supervision for special equipment have driven the transformation of products towards non-asbestos environmentally friendly composite materials. Simultaneously, for different scenarios such as high-speed elevators and freight elevators, specialized models are being developed to handle high loads and frequent start/stop cycles, achieving dual enhancements in braking stability and service life. In recent years, the development of intelligent elevators and the acceleration of old elevator retrofitting projects have imposed new requirements on brake friction blocks, including low wear, low noise, and compatibility with intelligent braking systems. The iterative implementation of standards has further compelled the industry to focus on safety margins and compliance production. Currently, China has become the world's largest producer of brake friction blocks for elevators, with products covering all types of special equipment, including passenger elevators, freight elevators, and escalators.

We have established a specialized testing team for brake friction blocks for elevators, offering customized testing services for friction performance, physical properties, and more, based on elevator speed rating, load capacity, and usage scenarios (commercial buildings, hospitals, logistics warehouses), helping products build the core defense line for safe elevator operation.

Testing Products

Brake Friction Linings for Vertical Lift Elevator Traction Machines

Brake Friction Linings for Escalators and Moving Walks

Testing Items

Dimensional Tolerances

Friction Performance (Coefficient of friction, fade/recovery at operating conditions)

Shear Performance (Adhesion / Bond strength)

Internal Shear Strength

Asbestos Content (Quantitative/Qualitative)

Hazardous Elements / Heavy Metal Content

Testing Standards

Brake Friction Linings for Vertical Lift Elevator Traction Machines: JC/T 2584, JC/T 2268, GB/T 23263, GB/T 22309, GB/T 26739

Brake Friction Linings for Escalators and Moving Walks: JC/T 2585, JC/T 2268, GB/T 22309, GB/T 23263, GB/T 26739

Service Advantages

Specialized in performance testing of brake friction blocks for elevators for over twenty years, deeply aligning with the core requirement of "Safety First".

Fully and deeply participated in the formulation and revision of major standards, including JC/T 2585-2021, accumulating testing experience with brake friction blocks for all scenarios (high-speed elevators, heavy-load freight elevators, old elevator retrofitting). Expert in solving industry pain points such as brake fade under frequent start/stop cycles, response lag in low-temperature environments, and abnormal noise control.

A long-term strategic partner for numerous leading elevator OEMs and braking system suppliers in the core elevator industrial clusters of the Yangtze River Delta and Pearl River Delta. Provided specialized testing support to well-known brands, earning high industry trust through precise control of brake friction blocks for elevators.


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